SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.3.6): Invalid SQL: INSERT INTO bb1_sessions (sessionhash,userid,ipaddress,useragent,lastactivity,request_uri,styleid,langid,authentificationcode) VALUES ('068ebeec19ce37dcc9cf0a11d303f1c8','0','18.118.210.213','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.c','1714089762','jgs_portal_box.php?id=40&sid=87efe3f36e601d16e06612eff5c0784e','0','0','')
mysql error: Duplicate entry '068ebeec19ce37dcc9cf0a11d303f1c8' for key 'PRIMARY'
mysql error number: 1062
mysql version: 5.6.13
php version: 7.4.33
Date: 26.04.2024 @ 02:02
Script: /jgs_portal_box.php?id=40&sid=87efe3f36e601d16e06612eff5c0784e
Referer: http://wehrbauten.de/jgs_portal_box.php?id=40&sid=87efe3f36e601d16e06612eff5c0784e